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zBoost, a leader in consumer cell phone signal boosters, offers the improved zBoost ZB645SL-CM as the solution to your missed and dropped calls inside your larger home or office space. The innovative ZB645SL-CM boosts voice coverage on 4G/3G phones for all North American carriers operating on CEL 800 MHz and PCS 1900 MHz.

The ZB645SL-CM captures the marginal to reliable cellular signal you have outdoors and rebroadcasts it indoors, up to 7,500 square feet, so you can enjoy clearer, faster and more reliable service without interruption.

The zBoost ZB645SL-CM boosts cell phone signals for voice calls and text for all major carriers in North America. zBoost ZB645SL-CM captures the reliable cellular signal you have outdoors and rebroadcasts it indoors, so you can enjoy clearer, faster and more reliable cellular service. Features multi-user capability and covers up to 7,500 sq ft for enhanced signal coverage.